LM317MQDCYR

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LM317MQDCYR

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IC REG LIN POS ADJ 500MA SOT223

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 1.25V
Voltage-Output(Max) 37V
Current-Output 500mA
PSRR 80dB ~ 65dB (120Hz)
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case TO-261-4, TO-261AA

Übersicht

Description

The LM317MQDCYR is a versatile, adjustable three-terminal voltage regulator designed for a wide range of applications. Manufactured by Texas Instruments, this component is part of the LM317 series, known for providing a stable output voltage that can be set anywhere between 1.25V to 37V with an input voltage range typically higher by at least 3V. It supports output currents up to 500 mA.
Key features include thermal overload protection, short-circuit protection, and safe area compensation, making it reliable under various operational conditions. The "MQDCYR" designation refers to its specific package type and reel packaging, commonly used in automated manufacturing processes. The device is available in a SOT-223 package, which is suitable for surface-mount applications, offering efficient heat dissipation.
It's widely used in power supply designs, where voltage precision and reliability are crucial. Its adjustability, combined with its protection features, makes it ideal for various consumer electronics, industrial applications, and more.

Equivalent

The LM317MQDCYR is a voltage regulator. Its equivalents include LM317 series variants like LM317T, LM317L, and LM317AT. Other equivalent products from different manufacturers include the L78Lxx series (for similar output current ratings), NTE956, and UA78M33. Additionally, regulators like the NJM317, LT1086, and the KA317 can serve as alternatives, though they may differ slightly in specifications such as output current or thermal characteristics. Always check datasheets for compatibility.

Features

The LM317MQDCYR is a versatile, adjustable voltage regulator with a wide input voltage range of 3 V to 40 V. It provides an output voltage that can be set anywhere from 1.25 V to 37 V using two external resistors. The regulator is capable of supplying up to 500 mA of load current, offering a reliable solution for various power management applications.
Key features include:
1. Adjustability: Allows for a customized output voltage with external resistors.
2. Thermal Overload Protection: Prevents damage due to overheating.
3. Short-Circuit Protection: Safeguards against circuit failures by limiting current.
4. Load Regulation: Maintains stable output under varying load conditions.
5. Line Regulation: Ensures consistent performance despite input voltage fluctuations.
The package type (typically in a surface-mount form) and thermal characteristics make it suitable for compact and efficient designs. It is widely used in power supplies, battery chargers, and other electronic applications requiring regulated voltage.

Pinout

The LM317MQDCYR is a voltage regulator with a 3-pin configuration. It is commonly used to provide a stable output voltage that can be adjusted over a wide range. The three pins are:
1. Input (Vin): This pin receives the unregulated input voltage that you want to regulate.
2. Output (Vout): This pin supplies the regulated output voltage, which can be adjusted using external resistors.
3. Adjust (Adj): This pin is used to adjust the output voltage. By connecting resistors between the adjust pin and the output and ground, you can set the desired output voltage.
The LM317 is often used in various electronic applications to provide a stable power supply, especially where a variable output is needed. It can handle a wide range of input voltages and offers protection features such as current limiting and thermal shutdown.

Manufacturer

The LM317MQDCYR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest and most well-known companies in the electronics industry.
Texas Instruments focuses on developing innovative solutions across various sectors, including industrial, automotive, personal electronics, communications, and enterprise systems. The company is particularly noted for its analog chips and embedded processors, which are crucial in powering electronic devices and enabling their functionality.
TI's offerings include amplifiers, data converters, power management products, microcontrollers, digital signal processors, and various other semiconductor components. The company is renowned for its emphasis on research and development, consistently working to advance technology and improve the efficiency and performance of its products. Through its innovations, TI plays a vital role in shaping the technological landscape, contributing to advancements in electronics and related fields.

Application

The LM317MQDCYR is a versatile linear voltage regulator commonly used in various applications. It is suitable for power supply design, offering adjustable output voltage for custom requirements. Applications include consumer electronics, embedded systems, communication devices, and industrial equipment. It is ideal for use in battery chargers, LED drivers, and as a post-regulator in switch-mode power supplies. Its ability to provide a stable output voltage makes it useful in precision analog circuits and test equipment. Additionally, the LM317MQDCYR is used in medical devices and automotive applications, where reliable voltage regulation is crucial. Its compact form factor makes it suitable for space-constrained designs.

Package

The LM317MQDCYR is a voltage regulator packaged in a DPAK/TO-252 surface-mount configuration. This package type is designed for efficient heat dissipation and is commonly used in applications requiring a compact footprint with good thermal performance.

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